idea_lcl.h File Reference

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Macros
#define	idea_mul(r, a, b, ul)
#define	n2ln(c, l1, l2, n)
#define	l2nn(l1, l2, c, n)
#define	n2l(c, l)
#define	l2n(l, c)
#define	s2n(l, c)
#define	n2s(c, l)
#define	E_IDEA(num)

Macro Definition Documentation

#define E_IDEA

(

num

)

Value:

x1&=0xffff; \
    idea_mul(x1,x1,*p,ul); p++; \
    x2+= *(p++); \
    x3+= *(p++); \
    x4&=0xffff; \
    idea_mul(x4,x4,*p,ul); p++; \
    t0=(x1^x3)&0xffff; \
    idea_mul(t0,t0,*p,ul); p++; \
    t1=(t0+(x2^x4))&0xffff; \
    idea_mul(t1,t1,*p,ul); p++; \
    t0+=t1; \
    x1^=t1; \
    x4^=t0; \
    ul=x2^t0; /* do the swap to x3 */ \
    x2=x3^t1; \
    x3=ul;

Definition at line 198 of file idea_lcl.h.

#define idea_mul	(		r,
			a,
			b,
			ul
	)

Value:

ul=(unsigned long)a*b; \
if (ul != 0) \
    { \
    r=(ul&0xffff)-(ul>>16); \
    r-=((r)>>16); \
    } \
else \
    r=(-(int)a-b+1); /* assuming a or b is 0 and in range */

Definition at line 62 of file idea_lcl.h.

#define l2n	(		l,
			c
	)

Value:

(*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
                         *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
                         *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
                         *((c)++)=(unsigned char)(((l)     )&0xff))

Definition at line 132 of file idea_lcl.h.

#define l2nn	(		l1,
			l2,
			c,
			n
	)

Value:

{ \
            c+=n; \
            switch (n) { \
            case 8: *(--(c))=(unsigned char)(((l2)    )&0xff); \
            case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
            case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
            case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
            case 4: *(--(c))=(unsigned char)(((l1)    )&0xff); \
            case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
            case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
            case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
                } \
            }

Definition at line 111 of file idea_lcl.h.

#define n2l	(		c,
			l
	)

Value:

(l =((unsigned long)(*((c)++)))<<24L, \
                         l|=((unsigned long)(*((c)++)))<<16L, \
                         l|=((unsigned long)(*((c)++)))<< 8L, \
                         l|=((unsigned long)(*((c)++))))

Definition at line 126 of file idea_lcl.h.

#define n2ln	(		c,
			l1,
			l2,
			n
	)

Value:

{ \
            c+=n; \
            l1=l2=0; \
            switch (n) { \
            case 8: l2 =((unsigned long)(*(--(c))))    ; \
            case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
            case 6: l2|=((unsigned long)(*(--(c))))<<16; \
            case 5: l2|=((unsigned long)(*(--(c))))<<24; \
            case 4: l1 =((unsigned long)(*(--(c))))    ; \
            case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
            case 2: l1|=((unsigned long)(*(--(c))))<<16; \
            case 1: l1|=((unsigned long)(*(--(c))))<<24; \
                } \
            }

Definition at line 95 of file idea_lcl.h.

#define n2s	(		c,
			l
	)

Value:

(l =((IDEA_INT)(*((c)++)))<< 8L, \
             l|=((IDEA_INT)(*((c)++)))      )

Definition at line 142 of file idea_lcl.h.

#define s2n	(		l,
			c
	)

Value:

(*((c)++)=(unsigned char)(((l)     )&0xff), \
             *((c)++)=(unsigned char)(((l)>> 8L)&0xff))

Definition at line 138 of file idea_lcl.h.